.post-page {
  position: relative;
}
.toc {
  position: fixed;
  top: var(--toc-top, 90px);
  left: calc(50% + 600px + 24px);
  width: 240px;
  color: var(--text-secondary, #555);
  z-index: 10;
}
.toc-inner {
  padding: 14px 14px 10px;
  border: 1px solid var(--border-color, #e0e0e0);
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  font-size: 14px;
}
.toc-title {
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-color, #333);
}
.toc-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.toc-item {
  color: var(--text-color, #262626);
  text-decoration: none;
  line-height: 1.5;
  padding: 6px 12px 6px 10px;
  margin: 0 -14px;
  border-left: 4px solid transparent;
}
.toc-item:hover {
  background: #fff9f9;
  border-left-color: #ef7060;
}
.toc-item.active {
  background: #fff9f9;
  border-left-color: #ef7060;
  color: var(--text-color, #262626);
  font-weight: 600;
}
@media (max-width: 1024px) {
  .toc {
    position: static;
    width: 100%;
    margin-top: 16px;
  }
  .toc-inner {
    position: static;
  }
}